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Fig. 2 | Insights into Imaging

Fig. 2

From: Spectral CT of the abdomen: Where are we now?

Fig. 2

Adrenal CT of a 52-year-old woman showing a 21 mm nodule in the right adrenal gland. The nodule has an attenuation of 4.6 HU on TNC images (a), 77.2 HU on portovenous phase images (b) and 27 HU on 15 min delayed images (not shown), proving this is adenoma both by showing an absolute washout of 69% and by pre-contrast attenuation. However, VNC images show attenuation of 21.8 HU (c), making this an indeterminate nodule had this been an incidentaloma on portovenous phase spectral imaging only

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